PT-2026-37460 · Linux · Linux Kernel

CVE-2025-71295 · Published 2026-05-06 · Updated 2026-07-10

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A null pointer dereference can occur when filemap release folio() is invoked on a folio belonging to a mapping with AS RELEASE ALWAYS set but without a defined release folio operation. In this scenario, folio needs release() returns true, causing try to free buffers() to call drop buffers() on a folio that lacks private buffer data.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-71295

USN-8492-1

USN-8492-2

USN-8492-3

USN-8492-4

USN-8492-5

USN-8497-1

USN-8498-1

USN-8499-1

Affected Products

Linux Kernel

References · 553

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71295.json · Exploit
• https://ubuntu.com/security/CVE-2026-23215 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23131 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8492-4 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-22990 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8492-5 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43278 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31478 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23124 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71274 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8499-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43033 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45879 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43261 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46255 · Vendor Advisory